Hide Zero Coupon Value

Hide coupon value if it's zero.

add_filter('advanced_woo_discount_rules_hide_zero_value_coupon_html', function($coupon_html, $original_coupon_html, $coupon){
	if (class_exists('\Wdr\App\Helpers\Woocommerce')) {
		$zero_price_html = '-' .  \Wdr\App\Helpers\Woocommerce::formatPrice(0);
		$coupon_html =  str_replace($zero_price_html, "", $coupon_html);
	}
	return $coupon_html;
}, 10, 3);